MVC-CD200/CD300
4-47 4-48
SERVO
MD-083 (2/5)
For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
Measurement at Mark is not possible
physically due to the parts mounted on
Side B.
When disk access fails,supply of power is
stopped due to power save.As the result,
most of the measurement points show"0"(zero).
NO MARK:STILL/PB MODE
0
0.3
IC019
MB88346BPFV-EF
1
VREF-
2
AO3
3
AO4
4
AO5
5
AO6
6
AO7
7
AO8
8
AO9
9
A10
10
VREF+
11
VCC
12
AO11
13
AO12
14
DO
15
LD
16
CLK
17
D1
18
AO1
19
AO2
20
GND
B
0.1u
C125
B
0.1u
C121
IC003
LB11998V-TLM
1
VOUT
2
UOUT
3
VCC2
4
VCC3
5
NC
6
NC
7
RF
8
VCC1
9
UIN2
10
UIN1
11
VIN2
12
VIN1
13
WIN2
14
WIN1
15
VH
16
RS
17
FG
18
BRAKE
19
S/S
20
NC
21
S-GND
22
NC
23
NC
24
FGSEL
25
FC
26
VCREF
27
VC
28
NC
29
WOUT
30
P-GND
UN9214J-(K8).SO
Q004
0
R018
10kR029
47k
R030
0.01u
B
C040
1.8
R016
1.8
R012
0.22u
B
C024
1608
0.1u
B
C019
0.1u
B
C021
0.1u
B
C033
0.1u
B
C018
1.8
R013
B
C008
0.01u
CH
220p
C004
B
XX
C001
1608
0
R007
B
0.01u
C023
XX
C002
1608
0
R004
B
0.01u
C026
B
0.01u
C037
CH
220p
C034
B
0.1u
C032
B
0.1u
C028
B
0.01u
C009
B
0.001u
C012
B0.001u
C013
TC7SET02FU(TE85R)
IC004
123
45
TC7SET08FU(TE85R)
IC006
123
45
UN9114J-(K8).SO
Q003
0.1u
B
C022
47k
R042
CXA8094AR
IC014
1
SE2
2
SOFF
3
SE1OA
4
SE1OB
5
SE1O
6
SE1-
7
TK3O
8
DFCT
9
TK3IN
10
THLDC
11
FS3IN
12
FHLDC
13
FS3O
14
SNSCMP
15
SESIN
16
DETRK
17
AGND
18
VH1IN
19
VH1O+
20
VH1O-
21
VH2IN
22
VH2O+
23
VH2O-
24
AVCC
25
SLFG
26
HA-
27
HA+
28
HAO
29
HB-
30
HB+
31
HBO
32
DIFA1
33
DIFA2
34
DIFB1
35
DIFB2
36
SLV2
37
SLV
38
SLV1
39
SLCTL-
40
SLCTLO
41
TEST
42
XLAT
43
SDATA
44
SCLK
45
DGND
46
RSTC
47
XRST
48
RST5V2
49
RST5V1
50
DVDD
51
VREF-
52
VREF+
53
VC
54
4VIN
55
SP20
56
SP20FG
57
SP20CA
58
SP20FI
59
SP20CL
60
SP-2
61
SPSWD
62
SPHBO
63
SPLFON
64
SPLFIN
65
SP1O
66
SP108C
67
SP1-
68
SPCDIN
69
RECD
70
TK1IN
71
TK1O
72
FS11N
73
FS1O
74
XTOK
75
TK2D
76
TK2OSW
77
TK2-
78
FS2O
79
FS2OSW
80
FS2-
22k
R119
5600
R120
47k
R104
10k
R097
B
0.033u
C092
1608
B3900pC105
CH
100p
C097
10k
R096
10k
R117
CH
100p
C096
B
6800p
C104
B
0.22u
C091
1608
100k
R103
6800R118
22k
R116
33k
R125
10k
R126
XX
R127
22k
R112
22k
R113
XX
R111
B
0.01u
C107
B
0.01u
C106
B
0.1u
C098
B
1u
C109
22k
R102
100k
R098
68k
R099
B
2200p
C078
100k
R087
220k
R082
B
6800p
C079
B
1u
C084
1608
82k
R047
B
0.047u
C075
47k
R083
B
0.047u
C076
B
1u
C085
1608
68k
R084
33k
R085
0
R075
B
0.22u
C067
1608
B
0.22u
C061
1608
B
0.22u
C055
1608
B
0.01u
C043
100k
R055
220k
R048
150k
R049
B
4700p
C050
B
0.22u
C045
1608
3900
R081
33k
R078
33k
R077
10k
R073
100k
R076
100k
R074
RB706F-40
D004
XX
R114
1k
R110
B
0.22u
C058
1608
B
0.22u
C062
1608
VC
BU4S66-TR
IC009
123
45
0.1u
B
C042
0.22u
B
C041
1608
XX
R090
BU4S66-TR
IC015
123
45
BU4S66-TR
IC011
123
45
XX
R053
47k
R052
UN9213J-(K8).SO
Q006
XX
D005
XX
D006
470
R132
470R133
B
XX
C046
BH6520AFV-E2
IC001
1
CT
2
CH1
3
CN1
4
OUT1F
5
VCC1
6
OUT1R
7
PGND1
8
PREGND
9
VG
10
PGND2
11
OUT2R
12
VCC2
13
OUT2F
14
CN2
15
IN2
16
VREF
BH6521FV-E2
IC005
1
VG
2
C_P
3
C_M
4
VCC
5
GND
6
CT
7
MUTE
8
VC
9
IN
10
NF
11
VM2
12
OUT_R
13
PGND
14
OUT_F
15
VM1
16
CLK
TA75S393F-TE85R
IC022
123
45
33k
R149
100k
R153
10k
R154
100k
R148
B
4700p
C130
10k
R146
B
0.1u
C134
SLFG
XX
C031
10kR036
TA75S01F(TE85R)
IC010
123
45
47k
R044
47k
R050
1k
R051
220k
R054
B
0.001u
C049
B
0.01u
C044
DIAG
TA
10V
22u
C140
XX
R161
TA
10V
33u
C020
TA
1u
C142
B
0.1u
C143
B
0.01u
C144
TSNSCMP
XX
Q011
XX
Q012
XX
R164
XX
R165
TA
10V
33u
C025
10V
TA
22u
C146
XX
B
C057
XX
B
C148
18P
CN002
1TKC
2SD-
3SD+
4LED
5VCC
6VH-
7WIN2
8WIN1
9VIN1
10VIN2
11UIN!
12UIN2
13VH+
14LMT
15GND
16U
17V
18W
CL001
CL002
CL003
UN9213J-(K8).SO
Q013
100k
R181
SAMO
R182
0
1
A
SPLHLD
SPFG
MDSGA
XSPBRK
VREF-
MDPGA
ACTEN
SINPWM
SDLTDA
FSHOCK
DFCT2
SPREV
SOFF
XX
C005
XX
C011
XX
C015
LMT
SPON
XRFRST
VREF+
XTOK
RECD2
XSDLTRF
SDCK
SWDT
SAO
FAO
MDPCD
TAO
TEIN
FEIN
SE
DIAG
TE
GND
FE
TE
TEO
LDLMT
VWDC2
HAVCOS
VC
4.6V
3.4V
4.6V-2
TA
47u
C066
0.1u
B
C063
TRK+
TRK-
FCS+
FCS-
POWER5V
SAO
DSP3.4V
SWDT
SDCK
SDLTDA
HAVCOS
SEOS
SNSCMP
SLMOVE
FCSDRV
TRKDRV
TEO
TEIN
FEIN
XTOK
RECD2
MDPCD
TE
TEO
SINPWM
SPLHLD
TAO
VREF+
VREF-
XSDLTRF
SWDT
SDCK
SLMOVE
SLVOS
SEOS
SLVOS
FAO
SOFF
FE
VWDC2
SPFG
SPON
ACTEN
DIAG
LDLMT
XRFRST
SPREV
SNSCMP
MDPGA
MDSGA
XSPBRK
SAMO
SINPWM
MDSGA
VREF-
SPLHLD
MDPGA
SDLTDA
SPON
XRFRST
ACTEN
SPFG
SPREV
XSPBRK
VREF+
XTOK
RECD2
XSDLTRF
SDCK
SWDT
TE
TEO
LDLMT
VWDC2
HAVCOS
SAO
FAO
MDPCD
SAO
TAO
TEIN
FEIN
DIAG
TE
TRKDRV
FCSDRV
SAMO
FE
SOFF
-REF.NO.:3000 SERIES-
MD-083 BOARD(2/5)
XX MARK:NO MOUNT
SERVO(DRIVE BLOCK)
16
2
K
5
J
1789
F
H
143
C
19
G
7 15
I
E
18
D
104 11 136 20
B
1612
PH901
M
M902
SPINDLE
FG
SLED MOTOR
M901
M
SLED
FG
BASE UNIT(2/2)
SPINDLE MOTOR
TO(1/5)
1
10
TO(4/5) TO(3/5)
11
TO(4/5)
12 3
TO(1/5)
4
TO(1/5)
13
TO(3/5)
14
TO(3/5)
15
TO(5/5)
TO(3/5)
16
29
TO(3/5,4/5)
9
TO(5/5)
DRIVE
INV.
LED DRIVE
SWITCH
IC003
SERVO
PERIPHERAL
IC006
IC004
INV.
SPINDLE MOTOR DRIVE
IC001
FOCUS/TRACKING DRIVE SLED DRIVE
IC005
IC009
VC SWITCH
SWITCH
IC011
AMP
IC010
SWITCH
IC015
IC014
FOCUS/TRACKING/SLED/SPINDLE
SERVO
FE/TE/SLED POSITION AMP,
SHOCK SENSOR
IC019
D/A CONVERTER
RATORCOMPA
IC022
PBREC/PB
SIGNAL PATH
REC
SPINDLE speed servo
SPINDLE servo (speed and phase)
SLED speed servo
SLED servo (speed and phase)
Ref.signal
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